Clacking out of the Blower.
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2009-2014 Cadillac CTS-V General Discussion Discussion, Clacking out of the Blower. in Cadillac CTS-V Series Forum - 2009-2014; Is anybody else hearing gear chatter out of the blower?...
  1. #1
    Silver Sled is offline Cadillac Owners Member
    Automobile(s): '11 CTS-V Coupe Blk, '11 CTS-V Coupe Slv, '10 ESV
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    Clacking out of the Blower.

    Is anybody else hearing gear chatter out of the blower?

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  3. #2
    ClarkkentCTSV is offline Cadillac Owners Fanatic
    Automobile(s): 2009 Thunder gray CTS V
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    Re: Clacking out of the Blower.

    Stock isolator goes bad fast and creates the clacking sound coming from the supercharger. Invest in a aftermarket solid isolator. Best mod for the money, I hated that clacking coming from my $70k Cadillac.

  4. #3
    Havasusteve's Avatar
    Havasusteve is offline Cadillac Owners Fanatic
    Automobile(s): 12 TG Sedan; SOLD
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    Re: Clacking out of the Blower.

    Just go ahead and put a smaller pulley and tune on while your there

  5. #4
    Silver Sled is offline Cadillac Owners Member
    Automobile(s): '11 CTS-V Coupe Blk, '11 CTS-V Coupe Slv, '10 ESV
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    Re: Clacking out of the Blower.

    Already have a smaller pulley, long tube headers, cats gone, 100 octane map, larger heat exchanger. I'm not that techincally minded, what is an Isolator?

  6. #5
    Havasusteve's Avatar
    Havasusteve is offline Cadillac Owners Fanatic
    Automobile(s): 12 TG Sedan; SOLD
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    Re: Clacking out of the Blower.

    If you have a smaller pulley, who ever installed it for you shouild have changed it. The isolator bushing rides on the pulley shaft inside the snout. The factory one is worthless and is coposed of a large spring that rides on the metal shaft. Almost immediately, that springs starts to eat ythe shaft. My inital guess would be that this is your problem. Ask who ever did your smaller pulley (which involves taking off the snout) if they put a solid isolator bushing on. Its almost standard practice for anyone who knows these cars.

  7. #6
    ClarkkentCTSV is offline Cadillac Owners Fanatic
    Automobile(s): 2009 Thunder gray CTS V
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    Re: Clacking out of the Blower.

    I have heard of instances where a car gets modded with low mileage and they have decided to reuse the stock isolator, bad idea.

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